CN106494957A - The method and device of detection brake sticking brake power - Google Patents
The method and device of detection brake sticking brake power Download PDFInfo
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- CN106494957A CN106494957A CN201610895341.9A CN201610895341A CN106494957A CN 106494957 A CN106494957 A CN 106494957A CN 201610895341 A CN201610895341 A CN 201610895341A CN 106494957 A CN106494957 A CN 106494957A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
- B66B5/0093—Testing of safety devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
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- Control Of Electric Motors In General (AREA)
Abstract
The present invention relates to electromechanical control field, discloses a kind of method and device of detection brake sticking brake power.In embodiment of the present invention, when all band brake apparatus are in "on" position, Displacement Feedback of the positioner according to safe displacement and motor less than pre-determined threshold, output speed give；Motor exports the first motor torque further according to the speed preset, and when the first motor torque reaches first upper limit, then the motor torque for maintaining first upper limit of Preset Time；In the Preset Time, according to the Displacement Feedback of motor, judge whether motor rotates, if motor rotates, brake sticking brake power exception.Embodiment of the present invention, can not only accurately detect whether brake sticking brake power meets the requirements, and can ensure that in the process for detecting brake sticking brake power, even if brake force deficiency causes motor to rotate, first motor torque of motor output is also controllable, so as to ensure that the safe and reliable of detection process.
Description
Technical field
The present invention relates to electromechanical control field, more particularly to a kind of method and device of detection brake sticking brake power.
Background technology
As elevator applications are increasingly extensive, its safety problem is increasingly subject to people's attention, and wherein, the band-type brake of elevator exists
There is provided brake force to keep car stationary when elevator is out of service, be the important device for ensureing elevator safety operation.In elevator
During life-time service, band-type brake surface can be gradually worn out because of frequently rubbing, so as to the brake force for causing which provide
It is gradually reduced, therefore, it is a requisite job that whether the brake sticking brake power of periodic detection elevator meets the requirements.
During invention is realized, inventors herein have recognized that, detect the technical scheme of brake sticking brake power at present, generally
All it is under "on" position, certain torque is exported by Frequency Converter Control motor, so as to apply certain power to band-type brake, and observes sedan-chair
Whether railway carriage or compartment is subjected to displacement, if displacement exceedes the threshold value for setting, then it is assumed that brake sticking brake power is not enough.In these schemes, motor is defeated
The torque for going out is fixed value, if the brake force of band-type brake is not enough, causes motor to there occurs that rotation, car there occurs displacement, then
From within this period that car begins to move into the threshold value that displacement sets more than controller, motor may produce very big turning
, there is certain risk in speed.Additionally, in some schemes wherein, motor is applied a certain size and direction torque when, not
Have in consideration elevator actual condition, therefore the impact detected to brake sticking brake power by pouring weight can not accurately detect band-type brake institute energy
The brake force of offer.
Content of the invention
The purpose of embodiment of the present invention is to provide a kind of method and device of detection brake sticking brake power, can not only be accurate
Really whether detection brake sticking brake power meets the requirements, and can ensure that the process in detection brake sticking brake power, even if brake force is not
Foot causes motor to rotate, and the first motor torque of motor output is also controllable, so as to ensure that the safety of detection process
Reliable.
For solving above-mentioned technical problem, embodiments of the present invention provide a kind of method of detection brake sticking brake power, bag
Include：
When all band brake apparatus are in "on" position, displacement of the positioner according to default safe displacement and motor
Feedback, output speed give；Wherein, the shift value of the safe displacement is less than pre-determined threshold；
According to the speed preset, controlled motor exports the first motor torque；
When first motor torque reaches first upper limit, control the motor and in Preset Time maintain output described
The motor torque of first upper limit；
In the Preset Time, according to the Displacement Feedback of the motor, judge whether the motor rotates；
If the motor rotates, the brake sticking brake power exception.
Embodiments of the present invention additionally provide a kind of device of detection brake sticking brake power, including：Band brake apparatus, position control
Device processed, motor and controller；
The positioner, for when all band brake apparatus be in "on" position when, according to default safe displacement with
The Displacement Feedback of motor, output speed give；Wherein, the shift value of the safe displacement is less than pre-determined threshold；
The motor, for according to the speed preset, exporting the first motor torque, and reaches the in the first motor torque
In Preset Time, during one upper limit, maintain the motor torque of output first upper limit；
The controller, in the Preset Time, according to the Displacement Feedback of the motor, judges that the motor is
No rotate.
Embodiment of the present invention in terms of existing technologies, when all band brake apparatus are in "on" position, control by position
Device processed is given according to default safe displacement and the Displacement Feedback of motor, output speed so that the speed preset of output is by safety
Displacement and the Displacement Feedback co- controlling of motor, motor export the first motor torque further according to the speed preset, it is achieved that speed
The given control to motor torque, and when the first motor torque reaches first upper limit, then maintain Preset Time this on first
The motor torque of limit, then, in the Preset Time, according to the Displacement Feedback of motor, judges whether motor rotates, if
Motor rotates, then brake sticking brake power exception, can not only accurately detect whether brake sticking brake power meets the requirements, and can be with
Ensure the process in detection brake sticking brake power, even if brake force deficiency causes motor to rotate, the first motor of motor output
Torque is also controllable, so as to ensure that the safe and reliable of detection process.
In addition, the direction of displacement of the safe displacement is car rolling direction.The direction for making motor exert oneself is with elevator originally
The direction of the power being applied on band-type brake is identical, so can apply on band-type brake in the case where output power of motor is as far as possible little
Enough test moments.
In addition, the motor torque of first upper limit is the satisfactory system according to balance coefficient of elevator and band brake apparatus
Power, the motor torque that the motor for calculating should be exported.Consider meeting the requirements for balance coefficient of elevator and band brake apparatus
Brake force, the brake force size provided required for band-type brake is provided, the motor that should be exported so as to further obtain motor turns
Square, it is ensured that elevator safety, it is to avoid slip terraced phenomenon.
In addition, described according to speed preset, control the motor and export the first motor torque, specifically include：Speed controlling
Device is based on the speed preset, and output torque gives；Current controller is based on the torque reference, and output voltage gives；Described
The given input as motor of voltage, controls the motor and exports the first motor torque.By positioner, speed control
With cooperating for current controller, and eventually through the given size of the voltage of current controller output, the electricity of controlled motor
The size of pressure value, and then realize the control to the first motor torque that motor is exported.
Description of the drawings
Fig. 1 is a kind of method flow diagram of the detection brake sticking brake power according to first embodiment of the invention；
Fig. 2 is a kind of method flow diagram of the detection brake sticking brake power according to second embodiment of the invention；
Fig. 3 is a kind of structural representation of the device of the detection brake sticking brake power according to third embodiment of the invention；
Fig. 4 is a kind of structural representation of the device of the detection brake sticking brake power according to four embodiment of the invention.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with each reality of the accompanying drawing to the present invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the invention,
In order that reader more fully understands the application and proposes many ins and outs.But, even if there is no these ins and outs and base
In many variations and the modification of following embodiment, it is also possible to realize the application technical scheme required for protection.
The first embodiment of the present invention is related to a kind of method of detection brake sticking brake power.Idiographic flow is as shown in Figure 1.
In a step 101, control all band brake apparatus to close a floodgate, under elevator idle condition, it is outer that control elevator stops response
Portion's call, and all band brake apparatus combined floodgates are controlled, make elevator enter brake sticking brake power detection pattern.
In a step 102, positioner output speed gives, and positioner is according to default safe displacement and motor
Displacement Feedback, output speed give.
Specifically, positioner exports speed according to the safe displacement less than pre-determined threshold and the Displacement Feedback of motor
Degree is given, and wherein, speed preset has a default speed limiting value, and the default speed limiting value can be entered according to actual needs
Row sets, such as, 0.2m/s, safe displacement are the displacements of a very little, such as, 20 millimeters, and the position of the safe displacement
Shifting direction is car rolling direction, and the direction that the direction for making motor exert oneself and elevator script is applied to the power on band-type brake is identical.With
When, the Displacement Feedback of motor is calculated by the output of the encoder of motor, and the encoder can be absolute value encoder,
It can be incremental encoder.Further, when the Displacement Feedback of motor is more than preset security displacement, positioner is exported
Speed preset can reduce rapidly, wherein, under same preset security displacement, when motor rotates, and the displacement of motor is anti-
More than during the preset security displacement, the speed preset of positioner output can diminish rapidly for feedback, when motor rotates, and electricity
When the Displacement Feedback of machine is less than the preset security displacement, the speed preset of positioner output continues to increase, additionally, same
Under one more than the Displacement Feedback of preset security displacement, when preset security displacement value gets over hour, the speed of positioner output
Degree is given can be less, it is ensured that positioner adjusts the size of the speed preset of output in real time according to the Displacement Feedback of motor.
In step 103, speed control output torque gives, the speed that speed control is exported based on positioner
Given, output torque gives.
Specifically, speed control is exported according to positioner speed preset and the velocity feedback of motor, export
Torque reference, wherein, the velocity feedback of motor is calculated by the output of the absolute value encoder or incremental encoder of motor
Arrive, torque reference has a default torque amplitude limit value, the default torque amplitude limit value can be set according to actual needs.Enter
One step ground, the velocity feedback of motor are bigger, and the torque reference of speed control output is less, that is to say, that speed preset and electricity
The velocity feedback of machine, co- controlling the size of the torque reference of speed control output, wherein, under same speed preset,
When motor rotates, and the velocity feedback of motor be more than the speed preset when, speed control output torque reference can be fast
Speed diminishes, when motor rotates, and the velocity feedback of motor be less than the speed preset when, the torque that speed control is exported to
Surely continue to increase, additionally, under the same velocity feedback more than speed preset, the value of speed preset is less, speed control
The torque reference of device output processed can be less, it is ensured that speed control adjusts the torque of output in real time according to the feedback speed of motor
Given size.
At step 104, current controller output voltage gives, the torque that current controller is exported based on speed control
Given, output voltage gives.
Specifically, current controller is exported according to speed control torque reference and the current feedback of motor, export
Voltage gives, and wherein, the current feedback of motor is obtained by the current sensor of motor, and voltage is given a default voltage
Amplitude limit value, the default voltage amplitude limit value can be set according to actual needs.And, the current feedback specific torque of motor gives
When big more, the voltage of current controller output is given less, that is to say, that the current feedback of torque reference and motor, altogether
With the size that the voltage for controlling current controller output is given, wherein, under same torque reference, when the current feedback of motor
During more than the torque reference, the voltage of current controller output is given to diminish rapidly, when the current feedback of motor is less than this turn
When square gives, the voltage of current controller output is given to be continued to increase, additionally, anti-in the same electric current more than torque reference
Under feedback, the value of torque reference is less, and the voltage of current controller output is given can be less, it is ensured that the real-time root of current controller
According to the size that the voltage of the current feedback adjustment output of motor is given.
In step 105, motor exports the first motor torque, and the voltage of current controller output is given as the defeated of motor
Enter, controlled motor exports the first motor torque.
Specifically, in the detection process of brake sticking brake power, due to due to brake sticking brake power so that motor cannot turn
Dynamic, although motor cannot be rotated, but motor still can export a motor torque, i.e. the first motor torque because motor without
Method is rotated, so the Displacement Feedback of motor, velocity feedback are zero, but, no matter whether motor rotates, the electric current of motor
Feedback is present all the time.When motor cannot be rotated, equivalent to displacement controller only according to safe displacement, output speed gives, in
That the speed preset of output constantly can increase, until it reaches default speed limiting value, speed control only according to speed preset,
Output torque gives, and then the torque reference of speed control output also constantly can increase, until it reaches default torque amplitude limit
Value, so the voltage of current controller output is given also constantly can increase, until actual torque reaches given torque, when electric current control
When device processed makes the first motor torque of motor reach first upper limit, controlled motor in Preset Time maintains to export first upper limit
Motor torque.
In step 106, judge whether motor rotates, according to the Displacement Feedback of motor, judge whether motor occurs
Rotate, if motor rotates, execution step 105 otherwise terminates.
Specifically, two schemes are accurately judged to whether motor rotates, the first scheme is：First calculate
The absolute value of the difference of the safe displacement of out position controller and the Displacement Feedback of motor, absolute value further according to the difference and the
The comparison of one predetermined threshold value, judges whether motor rotates, wherein, if the absolute value of the difference presets threshold more than first
Value, then judge that motor rotates.Second scheme：According to Displacement Feedback and the comparison of the second predetermined threshold value of motor, judge
Whether motor rotates, and wherein, if the Displacement Feedback of motor is more than the second predetermined threshold value, judges that motor rotates.
Further, by arranging rational first predetermined threshold value and the second predetermined threshold value, before elevator can be made to slip out leveling zone, just
Detect that brake sticking brake power is not enough, leveling zone is slipped out so as to prevent elevator from more displacements occurring, meanwhile, rational by arranging
Threshold value, when the slight change that factor causes motor encoder pulse such as being also prevented from shaking, corresponding Displacement Feedback, speed
Feedback and the change of current feedback, it is to avoid the erroneous judgement situation for causing motor to rotate.
Further say, in brake sticking brake power detection process, brake sticking brake deficiency result in motor rotation, the motor
Rotate and can produce a certain size Displacement Feedback, velocity feedback and current feedback, and because the safe displacement of positioner is
The numerical value of one very little, when safe displacement is to bear with the deviation of Displacement Feedback, the speed preset of positioner output can be fast
Speed reduce, when velocity feedback be more than speed preset when, speed control output torque reference as speed preset fast
Speed reduces and reduces rapidly, and when current feedback is more than torque reference, the voltage of current controller output is given as turning
The given rapid reduction of square and reduce rapidly so that the motor torque of motor output reduces rapidly, greatly reduce motor
Rotating speed during rotation, effectively prevent in detection process, and the rotating speed produced because brake force deficiency causes motor to rotate is uprushed, and protect
Whole detection process is demonstrate,proved safely controllable.
In step 107, control converter quits work, and when motor rotates, stops converter work.
Specifically, positioner, speed controlling and current controller are the control structures in converter, so working as
When motor rotates, illustrate that brake sticking brake power is not enough, converter should be controlled at once and be quit work, converter quits work
Afterwards, positioner, speed controlling and current controller also can be quit work therewith, meanwhile, produce fault-signal and forbid user
Use.
Compared with prior art, in the present embodiment, when all band brake apparatus are in "on" position, positioner
According to the Displacement Feedback of safe displacement and motor less than pre-determined threshold, output speed gives, and speed control is further according to the speed
The given velocity feedback with motor of degree, output torque give, and current controller is given further according to the torque reference, output voltage,
Motor is according to the voltage the first motor torque of given output.When motor draws brake sticking brake power deficiency and rotates, motor
Displacement Feedback, velocity feedback can become big, when Displacement Feedback be more than default safe displacement when, the speed that positioner is exported to
Surely can diminish rapidly, when velocity feedback is more than given speed, the torque reference of speed control output also can diminish rapidly, most
First motor torque of whole controlled motor output diminishes, and effectively prevent in detection process, because brake force deficiency causes motor to turn
Rotating speed that is dynamic and producing is uprushed, it is ensured that whole detection process is safely controllable.
Second embodiment of the present invention is related to a kind of method of detection brake sticking brake power.Second embodiment is real first
Do on the basis of applying mode and further improved, mainly theed improvement is that：In this second embodiment, furthermore present,
After record brake sticking brake power deficiency causes motor to rotate, the motor torque of motor output is denoted as the second motor torque, so as to
The brake force of band-type brake offer subsequently can be provided according to second motor torque, concrete as shown in Figure 2.
Step 201 in present embodiment to 207 with 101 to 107 substantially phases the step of the first embodiment of the present invention
With here is omitted.It is described below for different piece：
In a step 208, the motor torque after record motor is rotated, that is, recording causes motor to be sent out because of brake sticking brake power deficiency
Raw rotate after, the motor torque of motor output, and be denoted by the second motor torque, so as to subsequently can further according to this
Two motor torques are converted into the brake force of band-type brake offer.
In the present embodiment, after record brake sticking brake power deficiency causes motor to rotate, the second electricity of motor output
Machine torque, and the brake force of band-type brake offer is provided according to second motor torque so that subsequently carry out brake sticking brake power inspection again
During survey, can refer to as empirical value, or the reference as subsequently improvement brake sticking brake power.
Divide the step of various methods above, be intended merely to describe clear, can merge into when realizing a step or
Some steps are split, multiple steps are decomposed into, as long as comprising identical logical relation, all in the protection domain of this patent
Interior；To adding inessential modification in algorithm or in flow process or introducing inessential design, but its algorithm is not changed
With the core design of flow process all in the protection domain of the patent.
Third embodiment of the invention is related to a kind of device of detection brake sticking brake power, as shown in figure 3, including：Band-type brake is filled
Put 31, positioner 32, motor 33 and controller 34；
Band brake apparatus 31, for controlling all band brake apparatus in "on" position；
Positioner 32, for when all band brake apparatus 31 are in "on" position, based on default security bit
The Displacement Feedback with motor is moved, output speed gives.
Motor 33, for the speed preset exported according to positioner 32, exports the first motor torque, and in the first electricity
In Preset Time, when machine torque reaches first upper limit, safeguard the motor torque of first upper limit of output；
Controller 34, in Preset Time, according to the Displacement Feedback of motor, judges whether motor rotates.
In the present embodiment, when all band brake apparatus are in "on" position, positioner is according to default safety
Displacement and the Displacement Feedback of motor, output speed give；Motor exports the first motor torque further according to the speed preset.Work as motor
When rotating, the Displacement Feedback of motor will become big, when Displacement Feedback is more than safe displacement, the speed of positioner output
Given can diminish, when velocity feedback be more than speed preset when, motor output the first motor torque can also diminish.Achieve band-type brake
When brake force deficiency causes motor to rotate, the first motor torque of motor output is controllable, it is ensured that detection process
Safe and reliable.
It is seen that, present embodiment is the system embodiment corresponding with first embodiment, and present embodiment can be with
First embodiment is worked in coordination enforcement.The relevant technical details that mentions in first embodiment still have in the present embodiment
Effect, in order to reduce repetition, is repeated no more here.Correspondingly, the relevant technical details that mentions in present embodiment are also applicable in
In first embodiment.
It is noted that involved each module in present embodiment is logic module, in actual applications, one
Individual logical block can be a part for a physical location, or a physical location, can be with multiple physics lists
The combination of unit is realized.Additionally, for the innovative part for projecting the present invention, will not be with solution institute of the present invention in present embodiment
The unit that the technical problem relation of proposition is less close is introduced, but this is not intended that in present embodiment there are no other lists
Unit.
4th embodiment of the present invention is related to a kind of device of detection brake sticking brake power.4th embodiment is real the 3rd
Do on the basis of applying mode and further improved, mainly theed improvement is that：In the 4th embodiment, furthermore present,
Memorizer 35, after storage brake sticking brake power deficiency causes motor to rotate, the motor torque of motor output, so as to subsequently can be with
According to the brake force that second motor torque is converted into band-type brake offer, concrete as shown in Figure 4.
Memorizer 35, for storing after brake sticking brake power deficiency causes motor to rotate, the motor torque of motor output,
And be denoted by the second motor torque, so that the braking of band-type brake offer subsequently can be converted into according to second motor torque
Power.
In the present embodiment, after storage brake sticking brake power deficiency causes motor to rotate, the second electricity of motor output
Machine torque, and the brake force of band-type brake offer is provided according to second motor torque so that subsequently carry out brake sticking brake power inspection again
During survey, can refer to as empirical value, or the reference as subsequently improvement brake sticking brake power.
As second embodiment is mutually corresponding with present embodiment, therefore present embodiment can be mutual with second embodiment
It is engaged enforcement.The relevant technical details that mentions in second embodiment still effectively, are implemented second in the present embodiment
The technique effect that can be reached in mode is in the present embodiment similarly it is achieved that in order to reduce repetition, no longer go to live in the household of one's in-laws on getting married here
State.Correspondingly, the relevant technical details that mentions in present embodiment are also applicable in second embodiment.
It will be appreciated by those skilled in the art that realizing that all or part of step in above-described embodiment method can be by
Program is completed to instruct the hardware of correlation, and the program storage is used so that one including some instructions in a storage medium
Individual equipment (can be single-chip microcomputer, chip etc.) or processor (processor) execute the application each embodiment methods described
All or part of step.And aforesaid storage medium includes：USB flash disk, portable hard drive, read only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention,
And in actual applications, can to which, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (11)
1. a kind of detection brake sticking brake power method, it is characterised in that include：
When all band brake apparatus are in "on" position, positioner is anti-with the displacement of motor according to default safe displacement
Feedback, output speed give；Wherein, the shift value of the safe displacement is less than pre-determined threshold；
According to the speed preset, controlled motor exports the first motor torque；
When first motor torque reaches first upper limit, control the motor and output described first is maintained in Preset Time
The motor torque of the upper limit；
In the Preset Time, according to the Displacement Feedback of the motor, judge whether the motor rotates；
If the motor rotates, the brake sticking brake power exception.
2. according to claim 1 detection brake sticking brake power method, it is characterised in that the displacement side of the safe displacement
To for car rolling direction.
3. according to claim 1 detection brake sticking brake power method, it is characterised in that the motor of first upper limit turn
Square is the satisfactory brake force according to balance coefficient of elevator and band brake apparatus, and the motor that the motor for calculating should be exported turns
Square.
4. the method for detection brake sticking brake power according to claim 1, it is characterised in that described according to speed preset, control
Make the motor and export the first motor torque, specifically include：
Speed control is based on the speed preset, and output torque gives；
Current controller is based on the torque reference, and output voltage gives；
The given input as motor of the voltage, controls the motor and exports the first motor torque.
5. according to claim 4 detection brake sticking brake power method, it is characterised in that the speed control be based on institute
Speed preset is stated, output torque gives, specifically includes：
The speed control is given according to the speed preset and the velocity feedback of motor, output torque；
Wherein, the velocity feedback of the motor is calculated according to the output of the encoder of motor.
6. according to claim 4 detection brake sticking brake power method, it is characterised in that the current controller be based on institute
Torque reference is stated, output voltage gives, specifically includes：
The current controller is given according to the torque reference and the current feedback of motor, output voltage；
Wherein, the current feedback of the motor is obtained according to the output of the current sensor of motor.
7. according to claim 1 detection brake sticking brake power method, it is characterised in that described in Preset Time, root
According to the Displacement Feedback of the motor, judge whether the motor rotates, including：
Calculate the safe displacement of the positioner and the difference of the Displacement Feedback of the motor；
According to the difference, the absolute value of the difference is calculated；
According to the comparison of the absolute value and the first predetermined threshold value, judge whether the motor rotates；Wherein, if described
More than the predetermined threshold value, absolute value then judges that the motor rotates.
8. according to claim 1 detection brake sticking brake power method, it is characterised in that described in Preset Time, root
According to the Displacement Feedback of the motor, judge whether the motor rotates, specifically include：
According to Displacement Feedback and the comparison of the second predetermined threshold value of the motor, judge whether the motor rotates；
If more than second predetermined threshold value, the Displacement Feedback of the motor judges that the motor rotates.
9. a kind of detection brake sticking brake power device, it is characterised in that include：Band brake apparatus, positioner, motor and control
Device
The positioner, for when all band brake apparatus are in "on" position, according to default safe displacement and motor
Displacement Feedback, output speed give；Wherein, the shift value of the safe displacement is less than pre-determined threshold；
The motor, for according to the speed preset, exporting the first motor torque, and reaching on first in the first motor torque
In limited time, the motor torque of output first upper limit is maintained in Preset Time；
The controller, in the Preset Time, according to the Displacement Feedback of the motor, judges whether the motor is sent out
Raw rotation.
10. according to claim 9 detection brake sticking brake power device, it is characterised in that the positioner is also used
In control the safe displacement direction of displacement be car rolling direction.
The device of 11. detection brake sticking brake power according to claim 9, it is characterised in that also include：Motor torque is calculated
Device；
The motor torque computer, for the satisfactory brake force size according to balance coefficient of elevator and band brake apparatus,
The motor torque that motor should be exported is calculated, and the motor torque that the motor should be exported is used as the electricity of first upper limit
Machine torque.
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| CN201610895341.9A CN106494957B (en) | 2016-10-14 | 2016-10-14 | Detect the method and device of brake sticking brake power |
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| CN201610895341.9A CN106494957B (en) | 2016-10-14 | 2016-10-14 | Detect the method and device of brake sticking brake power |
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| CN110002298A (en) * | 2019-04-09 | 2019-07-12 | 深圳市海浦蒙特科技有限公司 | A kind of elevator starting control method and system |
| CN111025146A (en) * | 2019-11-25 | 2020-04-17 | 日本电产（东莞）有限公司 | Motor transport and output characteristic inspection device |
| CN111348511A (en) * | 2020-02-26 | 2020-06-30 | 沈阳市蓝光自动化技术有限公司 | Elevator braking force accurate detection method based on elevator balance coefficient |
| CN111969895A (en) * | 2020-08-04 | 2020-11-20 | 清能德创电气技术（北京）有限公司 | Safe shutdown method and system under motor contracting brake failure state |
| CN112147507A (en) * | 2020-08-17 | 2020-12-29 | 清能德创电气技术（北京）有限公司 | Motor brake state detection method and system based on closed-loop control |
| CN112630654A (en) * | 2020-12-11 | 2021-04-09 | 广东博智林机器人有限公司 | Band-type brake detection system and method |
| CN115075685A (en) * | 2022-07-19 | 2022-09-20 | 安徽海尚变频技术有限公司 | Advancing band-type brake control method for improving accuracy of gantry crane |
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| CN110002298B (en) * | 2019-04-09 | 2021-09-14 | 深圳市海浦蒙特科技有限公司 | Elevator starting control method and system |
| CN111025146A (en) * | 2019-11-25 | 2020-04-17 | 日本电产（东莞）有限公司 | Motor transport and output characteristic inspection device |
| CN111025146B (en) * | 2019-11-25 | 2021-12-28 | 日本电产（东莞）有限公司 | Motor transport and output characteristic inspection device |
| CN111348511A (en) * | 2020-02-26 | 2020-06-30 | 沈阳市蓝光自动化技术有限公司 | Elevator braking force accurate detection method based on elevator balance coefficient |
| CN111969895A (en) * | 2020-08-04 | 2020-11-20 | 清能德创电气技术（北京）有限公司 | Safe shutdown method and system under motor contracting brake failure state |
| CN111969895B (en) * | 2020-08-04 | 2021-11-09 | 清能德创电气技术（北京）有限公司 | Safe shutdown method and system under motor contracting brake failure state |
| CN112147507A (en) * | 2020-08-17 | 2020-12-29 | 清能德创电气技术（北京）有限公司 | Motor brake state detection method and system based on closed-loop control |
| CN112147507B (en) * | 2020-08-17 | 2023-09-29 | 清能德创电气技术（北京）有限公司 | Motor band-type brake state detection method and system based on closed-loop control |
| CN112630654A (en) * | 2020-12-11 | 2021-04-09 | 广东博智林机器人有限公司 | Band-type brake detection system and method |
| CN115075685A (en) * | 2022-07-19 | 2022-09-20 | 安徽海尚变频技术有限公司 | Advancing band-type brake control method for improving accuracy of gantry crane |
| CN115075685B (en) * | 2022-07-19 | 2024-03-12 | 安徽海尚变频技术有限公司 | Advanced band-type brake control method for improving accuracy of door machine |
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